Finding the Fourth Proportional to 529,907.08, 731,264.70 and 288,184.42
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Solution
The fourth proportional to 529,907.08, 731,264.70 and 288,184.42 is: 397,690.65
Step by Step Solution
- Step 1: Write the proportion equation
529,907.08 : 731,264.70 = 288,184.42 : x - Step 2: Convert to fraction form
529,907.08/731,264.70 = 288,184.42/x - Step 3: Cross multiply
529,907.08x = 731,264.70 × 288,184.42 - Step 4: Simplify right side
529,907.08x = 210,739,093,435.97 - Step 5: Solve for x
x = 210,739,093,435.97/529,907.08 - Step 6: Final answer
x = 397,690.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.